Thermo Scientific thermoscientific Vanquish Pumps C, Operating Manual

Page: 155 / 296

7 • Maintenance and Service
Pumps C, Pumps F ( VC-Pxx, VF-Pxx)
Operating Manual Page 155
Follow these steps
1. Remove the seal wash plate from the pump head if applicable.
Figure 49: Pump head, seal wash plate, and pistons removed
No. Description
1 Pump head
2 Seal wash plate, channel side
3 Seal wash seals
4 Pistons
2. Remove the seal wash seal.
On the seal wash plate (channel side), set the insertion pin of the
seal-handling tool at a slight angle to the seal. Push the seal out of
the plate and remove the tool.
Figure 50: Removing the seal wash seal
3. Slide the new seal onto the insertion pin of the seal-handling tool.
4. To facilitate seal installation, inject a few drops of isopropanol into
the seal cavities on the seal wash plate (no-channel side).
5. On the seal wash plate (no-channel side), set the insertion pin of the
seal-handling tool at a 90° angle to the plate and push the insertion
pin vertically into the plate as far as it goes in.
6. Remove the tool from the seal wash plate. The seal remains in the
plate.